1.

The chemical composition of `"` slag `"` formed during the smelting process in the extraction of copper is `:`A. `Cu_(2)O+FeO`B. `FeSiO_(3)`C. `FeO+Cu_(2)O`D. `Cu_(2)S+FeO`

Answer» Correct Answer - 2
Copper pyrites contain Fe and Cu . Iron oxide is removed as fusible slag, `FeSiO_(3)`.
`FeO+SiO_(2)rarrFeSiO_(3)`


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